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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,765 companies indexed · Last updated: today
DirectoryIndustryGlass, Ceramics, Stone & Construction Materials IndustryBösingenGMB Hess GmbH
GMB Hess GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Granit Marmor – GMB Hess GmbH is the manufacture and installation of individual projects in the interior and exterior areas using natural and artificial stone, particularly granite, marble, ceramics and quartz composite. The company offers competent consulting, planning, production and installation of workpieces such as countertops, floors and walls made from these materials.

AI-generated
Offering

Products & services

Industry:Glass, Ceramics, Stone & Construction Materials Industry
✓ Offered6
Kitchen worktops in natural stone, ceramic and quartz composite
Kitchen worktops and kitchen coverings made of natural stone, ceramic and quartz composite; custom design, cutting, production and installation according to project specifications.
Custom natural stone projects for indoor and outdoor areas
Custom projects made of natural and engineered stone for indoor and outdoor areas; consultation, planning, production, installation and implementation from concept to completion.
Material selection and sales of natural stone, ceramic and quartz composite
Large selection of natural stone, ceramic and quartz composite in the material catalogue; choice of slabs from around the world, stock items and materials for indoor and outdoor areas.
Consulting on natural stone and surface materials
Personal consultation on material selection, cutting, processing options and the right choice for kitchen, bathroom and other projects.
Installation of stone coverings and components
On-time installation by experienced fitters by appointment; professional installation of kitchen coverings and other natural stone and engineered stone projects.
Care instructions and maintenance for natural stone, quartz composite and ceramic
Care instructions for natural stone, quartz composite and ceramic; information on cleaning, care and handling appropriate to the material, plus additional links to manufacturers’ instructions.
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4.2/5

GMB Hess GmbH

Trust & reputation

ranQ Trust Score of GMB Hess GmbH: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

GMB Hess GmbH scores 74.2 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
x
CriterionValueWeight
  • Review quality: The average rating across all connected sources, smoothed against the industry mean. So 5.0 stars from three reviews do not outrank 4.7 from three hundred.80.624%
  • Review volume: The number of reviews across all sources. The scale is logarithmic: the first reviews count the most, and the maximum is reached at 50 reviews.55.910%
  • Review recency: The age of the most recent review. Two-year-old reviews deliberately sit in the middle, because that is normal for Swiss SMEs. Only after three years without a new voice does the value drop markedly.78.08%
GMB Hess GmbH scores 83.0 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
x
CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.100.012%
  • Company size: The headcount band, researched by ranQ or stated by the company. It is scored in steps rather than by head count, because the data only provides bands.55.07%
GMB Hess GmbH scores 85.0 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
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CriterionValueWeight
  • Verification: Official register entry (commercial register with UID or professional-body record, 55 points), confirmed domain (20 points) and confirmed ranQ profile (up to 25 points, depending on completeness).85.022%
GMB Hess GmbH scores 28.6 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
x
CriterionValueWeight
  • Website authority: Ahrefs' Domain Rating measures, on a scale of 0 to 100, how strongly a website is linked from other websites. For Swiss SMEs the range up to 40 is typical; the maximum is reached at 35.28.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

GMB Hess GmbH reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 out of 5 stars from 8 customer reviews. The data basis is 96%, so the score is backed by part of the criteria. As of October 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 8 reviews across all connected sources

Sources
GGoogle58
★TrustpilotSoon
PProvenExpertSoon

Further sources are added continuously and factored into the ranQ Rating.

Knowledge

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Location

Auriedstrasse 10
3178 Bösingen
Opening hours
Mon
08:00 - 12:00, 13:00 - 16:30
Tue
08:00 - 12:00, 13:00 - 16:30
Wed
08:00 - 12:00, 13:00 - 16:30
Thu
08:00 - 12:00, 13:00 - 16:30
Fri
08:00 - 12:00, 13:00 - 15:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-107.538.583
Founded
1999 · 27 years
Last commercial register change
February 14, 2022
Employees
1 to 10
Legal form: Graded by liability and disclosure. The weight is kept small: a sole proprietorship is not a dubious company, it is just liable differently.
88.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
    • Full methodology

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